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-rw-r--r--gas/as.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/gas/as.h b/gas/as.h
index f58b53b634..b78b77cd74 100644
--- a/gas/as.h
+++ b/gas/as.h
@@ -454,8 +454,13 @@ COMMON int linkrelax;
/* TRUE if we should produce a listing. */
extern int listing;
-/* Type of debugging information we should generate. We currently
- support stabs, ECOFF, and DWARF2. */
+/* Type of debugging information we should generate. We currently support
+ stabs, ECOFF, and DWARF2.
+
+ NOTE! This means debug information about the assembly source code itself
+ and _not_ about possible debug information from a high-level language.
+ This is especially relevant to DWARF2, since the compiler may emit line
+ number directives that the assembler resolves. */
enum debug_info_type {
DEBUG_UNSPECIFIED,